Chart-printing machine.



H. S. ALEXANDER.

GHABT PRINTING MACHINE.

APPLxcA'nou FILED Armas. 1913.

1,123,062. Patented Dec.z9, 1914 3 SHEETS-SHEET l.

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H. S. ALEXANDER. CHART PRINTING Mmmm;v

APPLICATION FILED APB`28. 1913.

1 1 23,062. Patented Deo. 29, 1914.

. 3 BHEETE-SKEET 2.

INVENTOR Jv] fom-14W HE MORRIS PEERs Co.PNOm-UYNO.. WASHING lou. 0.1

H. S. ALEXANDER.

. calm* PRINTING MACHINE,

APPLICATION IILBD APB..28. 1913.

Patented Dec. 29, 1914.

3 sauts-SHEET a.

HUGH S. ALEXANDER., F' ST. PAUL, MINNESOTA.

omar-PRINTING MACHINE.

To all 'whom it may concern .Be it known that I, HUGH S. ALEXANDER, a citizen of the United States, residing at St. Paul, inthe county of Ramsey and State of Minnesota, have invented certain new1 and useful Improvements in Chart-Printing Machines, of which the following is a specii tcation.

The object of my invention is to provide a machine adapted to print suitable indicia on large work, such'as charts, and to oom Fig. 2 is a lon 'tudinal vertical section of .the machine.

'ig 3 is a transverse section i on the line 3 3, Fig. 1. Fig. 4: is a detail bottom plan view showingthe inking rolls and associated parts. Fig. 5-is a perspective view of the type carrying frame and assoelated parte. Fig. 6 is an enlarged sec- -tio1`1al view-on the line 6-6, Fig. 3, parts being in elevation. Fig. 7 isa detail enlarged sectional view on the line 7 7, Fig.

v1 4looking in the direction of the arrow.

8 is an enlarged detail view' ofthe escapementmechanism for the carriage. Fig.

9 is a vertical sectional view of the machinev with the vtop closed, parts heiligV broken awa. j

. e reference numeral 1 designates the frame of a drawing table provided with a top 2 hinged at one end thereof. 3 are cross members secured in the frame on which isjournaled the platen 4.

5 is a rod suitably secured in the frame and extending longitudinally thereof on which is detachably mounted acarriage 6, to which is connected acord 7 and a weight '8, said cord assing over a sheave 9.

10 is a ra' bar secured to the frame 1 with which the do 1,1 is ada ted to engage, said dog'beinghe d normal y mto engagement with said rack by means of the spring 13.

lit is a rod suitably mounted on thel car- Specifioatio'n of Letters Patent.

Patented Dec. 29, 1914.

Y Application led April 2B, 1913. Serial No. 764,108.

riage in the cleats and 16, the dog 11 being secured to one Aend of said rod.

1'( is a spring coiled around the rod 14, one end of which is seated on the cleat 15, while the other end is seated against the under face ofthe knob 18 on the rod, whereby the dog 11 is held normally in enga ement with the rack bar. Whenever it is esired to disen age the dog from the rack bar, the rod 4 is ressed outwardl carrying with it the og and the carriage 6 is then free to move a ong the rod 5.

The carriage 6 is provided with a orwardly extending substantially U-shaped member 19 in the top edges of which are formed suitable stops 20.

21 is a member projecting from one side on Vwhich is arrangedsuitable indicia of the characters that may be printed, said indicia bearing a definiterelation to the stops 20. 22 is a bow spring secured to and dependmg from the under face of the one end of the member 19 and adapted to bear upon the top edge of one side of the frame as more clearly shown in Fig. 7.

The frame is rovided with a groove 23 which is engag by a catch 211 depending from the member. 19 of the carriage, whereby the vertical motion of the carriage is properly limited and the vibration on the bow spring 22 dam ed.

The'carriage mem er 19 is provided with a longitudinally Vextending groove 25 on each side in which slides a type carrying frame consisting of side rods 26 coupled at each end by means of the plates 27 and 2S, said plates being perforated to provide a bearing for the journals 29 of the type Vcarrying member. 30.

The coil spring 31 is interposedv between the plate 28 and the adjacent end of the type carrying member 30, whereby the lock ing pin 32 is held normally in engagement with one of the notches 33 formed on the band 34, whereby the type carrying member is locked firmly in its adjusted positions.

The type carrying member 30 is proidded with a series of. type 31, see Fig. 6, which may be varied according to the work the machine is designed lto do.

35 are rolls mounted onthe member 19 and carried by sprmg arms 36.

37 are shields arranged under the ink I rolls and provided u'ith lforwardly extend- A-ing .tongues 38 which are spaced immediately over the printing center of the platen- 4 as clearly shown in Fig. 3.

The frame 26 is provided with a locliing .bar 39 pivoted to the' plate 28, said bar being constructed to engage the stops 2 0,

thereby locking the frame in an adjusted position in the carriage member 19,

Of course it will be understocdthat the platen 4 may be provided with any-of -the `Well known formsof platen operating mechanism, such-as are used on typewriters. The frame is supported 'upon suitable legs or'supports 40.

operating the ,machine the chartJ 4'1 is' j secured to the platen by means of thumb l pressed against the tension of the bow lssprmg 22 so' asto bring the type 3l into able onlyin the direction of letter spacing,

whereas vthe type 'carryine' member 30 ismovable in the tacks 42 or any other suitable fastening means and the point to be printed on the chart is brought directly under the space. between the projections 38; the type carrying member 30 isthen revolved by means' of the member 32 to bring the proper series of characters on the under face ofthe memberl 30, whereupon the frame 26 is movedl inthe carriage in the direction of line spacing until the locking bar is opposite the notch representing the character to be printed, Whereupon the bar 39 is depressed'into the notch, thus locking the'type carrying member-30 in proper position for printi e the-desired' character, and .by continued epression of the bar 39 thefree end of the c'arriaee is decontact :with the chart for the purpose of printing thereon. In this connection it Will be observed that the bow spring 22 maintainsthe carriage and the type normally spaced from the platen` The carriage 6 then moved to the ri ht one'or more spaces by depressin'' and releasing the left end 0f the dog 11. a line 1s completed.

n. will be noted 'hat che carriage is' movdirection of line spacing.

'I claim: Y `1.. In a chart printing machine, the combination with a platen, of a carriage, movable in thev directionV of letter spacing, a

' frame mounted on said carriage and slidable'thereon in the direction of line spacing,

:a locking bar carried by said frame, stops*- on the carriage constructed to be 'engaged by said bar a type carrying member journaled in said frame, a lock forsaid member,

1 one partofwhich is carried by the said member and the other by said frame, and a 'the said member while the other end is seated-'on the frame, whereby' the parts of said lock are held normallyinterlocked.

In a chartprinting machine, the comhis operationis repeated until bination with a frame, of a platen mounted in said frame, a mountedatyone en in said. frame, a bow spring dependingfrom .the other end of Vthe "carrie e and constructed :to rest on the top' of sai frame to provide clearance between spacing and means stops on said' carriagddnd-icia" or said carriage. swingingly stops, afframeslidably mountedo'n saidcarriag'e anda movable-in the direction of. line spacing-a locking bar carried by said sliding frame' and constructed to engage'said-z: stops, a 'type carrying member reyolubly mounted 1n said frame, .ink rollscarried by" the .carriage, 4a bow spring depending from the free' end of --thezca'rriave and positioned to engage .the top. o'f the Afirst named frame l i tov provide, normally, 'a clearance Ibetween the lplaten and type mem-ber..

di; In a chart-'pr1nter-,j.the combination witha roller platen, of acarriage movable V'longitudinally osaid ro'lle'r platen, andex- `tending transversely over said rollerU platen an indicia of the characters to-be printed.. attached. to said carriage, agrectangular. f

frame slidably-mounted in. said carriacre and 4' adapted to slide in; adirection at rigzlitangies to the said roller platen, a type bar. revolubly mounted in sald rectano'ular frame" and a member hinged at one endD to saidrectangular. .framework and .provided with' a transverse handle lbar at its. free end, said handle bararranged toengage said stops and to extend over the aforesaidindicia. f-

5. Inv a chart printer,v a ftype Acarrying frame, vcomprisingajre'ctan lar frame, the sides of -which constitute slides, adaptedto bemounted in a slideway.,\a type'carrying umemberjour-nailedinl frame and extend-` .ing longitudiually.- thereof, a locking bar Pvtl' 'mounted on said frame, a1 band mount ill Said frame, notches in said band-7 '1 and a locking pin 'carried'.fby saidtyp'e car-A rying member ada ted-#to engage said.` notches and hold sai' 'memberin an adjusted position. 9"

6;' In a chart printer; the"combinati`on with Ya carriage comprising side members having a series of notches 'in' their upper e `ees, indiciaarrangedalong one side member and spaced relatively 'to said-notches and slideways in thel inner face of said'mernbers,

of a rectangular .type carrying. frame, the'A sides-of' which constitute s'licles adapted 'to be slidably monntedin"Saidslideways, a

type carrying member .journale'd vin that carrying frame and'extending longitiid)e nally therein, type on said member spaced relativel with said notches and indicia, a locking har pivotally mounted on said type carrying frame and adapted to interlock with sald notches to hold the type carrying frame in an adjusted position.

T. In a chart printer, the combination with a carriage comprising side members having a series of notches in their upper edges, indicia arranged along one side member and spaced relatively to said notches and slideways in the inner face of said side members, of a rectangular type carrying frame, the sides of which constitute slides adapted to be slidably mounted in said slideways, a type carrying member journaled in the type carrying frame and extending 1ongitudinally therein, type on said member Copies o! thin patent may be obtained 'or spaced relatively with said notches and indicia, a locking bar pivotally mounted on said type carrying frame and adapted to interlock with said notches to hold the type carrying frame in an adjusted position, a band mounted on said carriage, notches in said band, and a locking pin secured to said type carrying frame and adapted to engage said notches and hold the type carrying frame in an adjusted position.

The foregoing specification signed at St. Paul, Minn. this '21st day of April, 1913.

J No. M. BRADFORD, S. I. LANGHAM.

Ive cents each, by addressing the Commissioner o! Patents.

Washington, D. c." 

